When using the partial automated setup process, which three tasks must be completed in order to register phones with Cisco Unitifed CallManger Express? (Choose three.)

A.
Configure the maximum number of ephones that Cisco Unified CallManger Express will support.

B.
Configure the dial-up pattern to associate extensions with fully qualified E.164 numbers

C.
Associate each phone type with the firmware file

D.
Configure the keepalive timer

E.
Enable the firmware for each phone type being downloaded

F.
Configure an ephone for each phone being registered with the Cisco Unified CallManger Express Server.